
"""simple docstring"""



import warnings
from typing import Dict, List, Optional, Tuple

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


a       :						Optional[Any]       		=		logging.get_logger(__name__)




class 		a_    (			__lowerCAmelCase						):
    a   :					List[str]			     =					['input_ids', 'attention_mask']







    def __init__(      self      :							List[Any]  ,       __UpperCamelCase      :							Any="</s>"  ,       __UpperCamelCase      :							Tuple="<unk>"  ,       __UpperCamelCase      :							Tuple="<pad>"  ,       __UpperCamelCase      :							int=1_25  ,       __UpperCamelCase      :							List[str]=None  ,       **__UpperCamelCase      :							int  ,       )		->Dict:






        '''simple docstring'''






        if extra_ids > 0 and additional_special_tokens is None:
            _UpperCAmelCase        = [f"""<extra_id_{i}>""" for i in range(lowerCamelCase_  )]
        elif extra_ids > 0 and additional_special_tokens is not None:
            # Check that we have the right number of extra_id special tokens
            _UpperCAmelCase        = len(set(filter(lambda __UpperCamelCase  : bool("""extra_id""" in str(lowerCamelCase_  )  )  ,       lowerCamelCase_  )  )  )
            if extra_tokens != extra_ids:
                raise ValueError(
                    f"""Both extra_ids ({extra_ids}) and additional_special_tokens ({additional_special_tokens}) are"""
                    """ provided to ByT5Tokenizer. In this case the additional_special_tokens must include the"""
                    """ extra_ids tokens"""  )

        _UpperCAmelCase        = AddedToken(lowerCamelCase_  ,       lstrip=lowerCamelCase_  ,       rstrip=lowerCamelCase_  ) if isinstance(lowerCamelCase_  ,       lowerCamelCase_  ) else pad_token
        _UpperCAmelCase        = AddedToken(lowerCamelCase_  ,       lstrip=lowerCamelCase_  ,       rstrip=lowerCamelCase_  ) if isinstance(lowerCamelCase_  ,       lowerCamelCase_  ) else eos_token
        _UpperCAmelCase        = AddedToken(lowerCamelCase_  ,       lstrip=lowerCamelCase_  ,       rstrip=lowerCamelCase_  ) if isinstance(lowerCamelCase_  ,       lowerCamelCase_  ) else unk_token

        super().__init__(
            eos_token=lowerCamelCase_  ,       unk_token=lowerCamelCase_  ,       pad_token=lowerCamelCase_  ,       extra_ids=lowerCamelCase_  ,       additional_special_tokens=lowerCamelCase_  ,       **lowerCamelCase_  ,       )

        _UpperCAmelCase        = extra_ids

        _UpperCAmelCase        = 2**8  # utf is 8 bits

        # define special tokens dict
        _UpperCAmelCase        = {
            self.pad_token: 0,
            self.eos_token: 1,
            self.unk_token: 2,
        }
        _UpperCAmelCase        = len(self.special_tokens_encoder  )
        _UpperCAmelCase        = len(lowerCamelCase_  )
        for i, token in enumerate(lowerCamelCase_  ):
            _UpperCAmelCase        = self.vocab_size + i - n
        _UpperCAmelCase        = {v: k for k, v in self.special_tokens_encoder.items()}







    @property
    def   _snake_case       (      self      :							Optional[Any]  )		->List[Any]:






        '''simple docstring'''






        return self._utf_vocab_size + self._num_special_tokens + self._extra_ids







    def   _snake_case       (      self      :							Any  ,       __UpperCamelCase      :							List[int]  ,       __UpperCamelCase      :							Optional[List[int]] = None  ,       __UpperCamelCase      :							bool = False  )		->int:






        '''simple docstring'''






        if already_has_special_tokens:
            return super().get_special_tokens_mask(
                token_ids_a=lowerCamelCase_  ,       token_ids_a=lowerCamelCase_  ,       already_has_special_tokens=lowerCamelCase_  )

        # normal case: some special tokens
        if token_ids_a is None:
            return ([0] * len(lowerCamelCase_  )) + [1]
        return ([0] * len(lowerCamelCase_  )) + [1] + ([0] * len(lowerCamelCase_  )) + [1]







    def   _snake_case       (      self      :							Union[str, Any]  ,       __UpperCamelCase      :							List[int]  )		->str:






        '''simple docstring'''






        if len(lowerCamelCase_  ) > 0 and token_ids[-1] == self.eos_token_id:
            warnings.warn(
                f"""This sequence already has {self.eos_token}. In future versions this behavior may lead to duplicated"""
                """ eos tokens being added."""  )
            return token_ids
        else:
            return token_ids + [self.eos_token_id]







    def   _snake_case       (      self      :							Dict  ,       __UpperCamelCase      :							List[int]  ,       __UpperCamelCase      :							Optional[List[int]] = None  )		->Optional[Any]:






        '''simple docstring'''






        _UpperCAmelCase        = [self.eos_token_id]

        if token_ids_a is None:
            return len(token_ids_a + eos  ) * [0]
        return len(token_ids_a + eos + token_ids_a + eos  ) * [0]







    def   _snake_case       (      self      :							int  ,       __UpperCamelCase      :							List[int]  ,       __UpperCamelCase      :							Optional[List[int]] = None  )		->List[Any]:






        '''simple docstring'''






        _UpperCAmelCase        = self._add_eos_if_not_present(lowerCamelCase_  )
        if token_ids_a is None:
            return token_ids_a
        else:
            _UpperCAmelCase        = self._add_eos_if_not_present(lowerCamelCase_  )
            return token_ids_a + token_ids_a







    def   _snake_case       (      self      :							Dict  ,       __UpperCamelCase      :							str  )		->int:






        '''simple docstring'''






        _UpperCAmelCase        = [chr(lowerCamelCase_  ) for i in text.encode("""utf-8"""  )]
        return tokens







    def   _snake_case       (      self      :							int  ,       __UpperCamelCase      :							Any  )		->List[Any]:






        '''simple docstring'''






        if token in self.special_tokens_encoder:
            _UpperCAmelCase        = self.special_tokens_encoder[token]
        elif token in self.added_tokens_encoder:
            _UpperCAmelCase        = self.added_tokens_encoder[token]
        elif len(lowerCamelCase_  ) != 1:
            _UpperCAmelCase        = self.unk_token_id
        else:
            _UpperCAmelCase        = ord(lowerCamelCase_  ) + self._num_special_tokens
        return token_id







    def   _snake_case       (      self      :							List[str]  ,       __UpperCamelCase      :							int  )		->Dict:






        '''simple docstring'''






        if index in self.special_tokens_decoder:
            _UpperCAmelCase        = self.special_tokens_decoder[index]
        else:
            _UpperCAmelCase        = chr(index - self._num_special_tokens  )
        return token







    def   _snake_case       (      self      :							List[str]  ,       __UpperCamelCase      :							Optional[Any]  )		->Any:






        '''simple docstring'''






        _UpperCAmelCase        = b""""""
        for token in tokens:
            if token in self.special_tokens_decoder:
                _UpperCAmelCase        = self.special_tokens_decoder[token].encode("""utf-8"""  )
            elif token in self.added_tokens_decoder:
                _UpperCAmelCase        = self.special_tokens_decoder[token].encode("""utf-8"""  )
            elif token in self.special_tokens_encoder:
                _UpperCAmelCase        = token.encode("""utf-8"""  )
            elif token in self.added_tokens_encoder:
                _UpperCAmelCase        = token.encode("""utf-8"""  )
            else:
                _UpperCAmelCase        = bytes([ord(lowerCamelCase_  )]  )
            bstring += tok_string
        _UpperCAmelCase        = bstring.decode("""utf-8"""  ,       errors="""ignore"""  )
        return string







    def   _snake_case       (      self      :							List[str]  ,       __UpperCamelCase      :							str  ,       __UpperCamelCase      :							Optional[str] = None  )		->List[Any]:






        '''simple docstring'''






        return ()
def 			lowercase(	UpperCamelCase_							,					UpperCamelCase_       )		->	List[str]:







 '''simple docstring'''
 _enforce_args(UpperCamelCase_							,					UpperCamelCase_       )
 if n == 0:
  return 0
 UpperCamelCase			  =      float("""-inf"""       )
 for i in range(1							,					n + 1       ):
  UpperCamelCase			  =      max(
      UpperCamelCase_							,					prices[i - 1] + naive_cut_rod_recursive(n - i							,					UpperCamelCase_       )       )

 return max_revue





def 			lowercase(	UpperCamelCase_							,					UpperCamelCase_       )		->	Optional[Any]:







 '''simple docstring'''
 _enforce_args(UpperCamelCase_							,					UpperCamelCase_       )
 UpperCamelCase			  =      [float("""-inf"""       ) for _ in range(n + 1       )]
 return _top_down_cut_rod_recursive(UpperCamelCase_							,					UpperCamelCase_							,					UpperCamelCase_       )





def 			lowercase(	UpperCamelCase_							,					UpperCamelCase_							,					UpperCamelCase_       )		->	List[Any]:







 '''simple docstring'''
 if max_rev[n] >= 0:
  return max_rev[n]
 elif n == 0:
  return 0
 else:
  UpperCamelCase			  =      float("""-inf"""       )
  for i in range(1							,					n + 1       ):
   UpperCamelCase			  =      max(
       UpperCamelCase_							,					prices[i - 1] + _top_down_cut_rod_recursive(n - i							,					UpperCamelCase_							,					UpperCamelCase_       )							,					)

  UpperCamelCase			  =      max_revenue

 return max_rev[n]





def 			lowercase(	UpperCamelCase_							,					UpperCamelCase_       )		->	Union[str, Any]:







 '''simple docstring'''
 _enforce_args(UpperCamelCase_							,					UpperCamelCase_       )

 # length(max_rev) = n + 1, to accommodate for the revenue obtainable from a rod of
 # length 0.
 UpperCamelCase			  =      [float("""-inf"""       ) for _ in range(n + 1       )]
 UpperCamelCase			  =      0

 for i in range(1							,					n + 1       ):
  UpperCamelCase			  =      max_rev[i]
  for j in range(1							,					i + 1       ):
   UpperCamelCase			  =      max(UpperCamelCase_							,					prices[j - 1] + max_rev[i - j]       )

  UpperCamelCase			  =      max_revenue_i

 return max_rev[n]





def 			lowercase(	UpperCamelCase_							,					UpperCamelCase_       )		->	Union[str, Any]:







 '''simple docstring'''
 if n < 0:
  UpperCamelCase			  =      f"""n must be greater than or equal to 0. Got n = {n}"""
  raise ValueError(UpperCamelCase_       )

 if n > len(UpperCamelCase_       ):
  UpperCamelCase			  =      (
      """Each integral piece of rod must have a corresponding price. """
      f"""Got n = {n} but length of prices = {len(UpperCamelCase_       )}"""
  )
  raise ValueError(UpperCamelCase_       )





def 			lowercase(	)		->	str:







 '''simple docstring'''
 UpperCamelCase			  =      [6, 10, 12, 15, 20, 23]
 UpperCamelCase			  =      len(UpperCamelCase_       )

 # the best revenue comes from cutting the rod into 6 pieces, each
 # of length 1 resulting in a revenue of 6 * 6 = 36.
 UpperCamelCase			  =      36

 UpperCamelCase			  =      top_down_cut_rod(UpperCamelCase_							,					UpperCamelCase_       )
 UpperCamelCase			  =      bottom_up_cut_rod(UpperCamelCase_							,					UpperCamelCase_       )
 UpperCamelCase			  =      naive_cut_rod_recursive(UpperCamelCase_							,					UpperCamelCase_       )

 assert expected_max_revenue == max_rev_top_down
 assert max_rev_top_down == max_rev_bottom_up
 assert max_rev_bottom_up == max_rev_naive


if __name__ == "__main__":
     main()
